Aprilaire has been delivering Total Comfort solutions for more than 50 years. Their history as an innovator in the industry began in 1954 when they introduced the first truly effective whole-home humidifier. Today, Aprilaire continues to lead the way in delivering whole-home indoor quality solutions, receiving recognition from national news media along the way. Aprilaire is headquartered in the USA and all of our whole-home indoor air quality products are built domestically. They are designed to work seamlessly with all leading brands and types of heating and cooling equipment.